Colorado Boating: Best Lakes and What to Know Before You Go

Colorado isn’t a coastal state, but its reservoirs and mountain lakes support a genuine boating season each summer, with several offering the added novelty of paddling or motoring against a backdrop of 14,000-foot peaks. Here’s a guide to Colorado boating, covering the top spots, rental options, and rules to know before heading out.

Best Lakes and Reservoirs for Boating

Dillon Reservoir Summit County

One of the most popular boating spots in the state, Dillon Reservoir sits at over 9,000 feet with mountain views in nearly every direction. It’s close to Denver (about 75 minutes) and has multiple marinas offering rentals, along with sailing and paddleboard options.

Lake Granby Grand County

The third-largest body of water in Colorado, Lake Granby allows a wider range of boating activities than some of the state’s more restricted reservoirs, including waterskiing and wakeboarding, alongside standard motorboat and fishing use.

Blue Mesa Reservoir Gunnison

Colorado’s largest body of water, Blue Mesa Reservoir sits within Curecanti National Recreation Area near the Black Canyon of the Gunnison. It’s a strong pick for boaters who want more open water and less crowding than the closer-to-Denver reservoirs see on summer weekends.

Grand Lake Grand County

Colorado’s largest natural lake (as opposed to a reservoir), Grand Lake sits at the western entrance to Rocky Mountain National Park and has a no-wake speed limit, making it better suited to fishing, paddling, and slower boating than to waterskiing.

Chatfield Reservoir Denver Area

The closest major boating destination to central Denver, Chatfield offers a convenient option for a quick trip without the longer drive required to reach the mountain reservoirs, though it tends to be more crowded given its proximity to the city.

Cherry Creek Reservoir Denver Area

Another close-to-Denver option, Cherry Creek Reservoir supports motorboats, sailing, and paddling, and is a common choice for Denver residents who want a same-day boating trip without much travel time.

Renting a Boat vs. Bringing Your Own

Rentals are widely available at the larger reservoirs Dillon, Granby, and Blue Mesa all have marinas offering pontoon boats, fishing boats, and often personal watercraft or paddleboards. Renting is the more practical option for visitors without a trailer or boat of their own, and it avoids the inspection process required for private, out-of-state watercraft.

Bringing your own boat requires passing through Colorado’s mandatory watercraft inspection stations, in place at most major reservoirs to prevent the spread of invasive mussel species. Inspections are typically quick but required every time a boat is launched, including repeat visits to the same lake within the same trip if the boat has left the water.

Permits and Rules to Know

Colorado Parks and Wildlife requires boat registration for most motorized watercraft, including out-of-state visitors staying more than 60 days.
Mandatory mussel inspections apply at nearly all major reservoirs arrive with extra time built in, especially on busy summer weekends.
No-wake zones apply at several lakes, including Grand Lake, so check specific rules before assuming waterskiing or fast boating is allowed.
Life jackets are required for all passengers on personal watercraft and for children under 13 on any vessel.

Best Time of Year

Boating season on Colorado’s reservoirs generally runs from Memorial Day through Labor Day, though some lower-elevation reservoirs like Chatfield and Cherry Creek can extend slightly earlier and later in the season. High-elevation lakes like Dillon and Granby have a shorter window, since ice-out and cooling fall temperatures compress the usable season more than lower-elevation spots near Denver.

Choosing a Lake Based on What You Want to Do

Want mountain scenery close to Denver? Dillon Reservoir.
Want waterskiing or wakeboarding? Lake Granby.
Want the most open water and fewer crowds? Blue Mesa Reservoir.
Want a calmer, no-wake experience with paddling or fishing? Grand Lake.
Want the shortest possible drive from central Denver? Chatfield or Cherry Creek Reservoir.

Colorado boating covers a wider range than its landlocked reputation suggests from quick, close-to-Denver trips at Chatfield and Cherry Creek to full mountain-lake experiences at Dillon, Granby, and Blue Mesa. Whichever lake you choose, build in time for the mandatory inspection process if you’re bringing your own boat, since that step is non-negotiable at nearly every major reservoir in the state.